My Older Sister Invited Her Best Friend Jasmine and We Had Our First Threesome

Read previous part: I Fucked My Older Sister Anna for the First Time When I Was 19

My name is Alexander, and I was 19 when everything with my older sister Anna changed forever. After that first incredible night (and the two wild weeks that followed while our parents were away), Anna and I became completely addicted to each other. We fucked almost every day — sometimes slow and loving, sometimes rough and filthy. She loved calling me “little brother” while I was balls-deep inside her, and I loved the way she moaned my name when she came.
When our parents returned from their trip, we had to be much more careful, but the risk only made it hotter. Quickies in the bathroom while Mom was cooking dinner, late-night visits to each other’s rooms, even once in the garage when Dad was watching TV just ten feet away. Anna had become my obsession, and I had become hers.
One Friday evening, about a month after our parents came back, Anna came into my room looking excited. She was wearing a tight black crop top and tiny denim shorts that barely covered her ass. She closed the door behind her and locked it.
“Alex, I need to tell you something,” she said, biting her lip in that sexy way that always made my cock twitch. “Remember my best friend Jasmine? The one with the long blonde hair and killer body?”
Of course I remembered Jasmine. She was 23, Anna’s closest friend since high school. Tall, athletic, with smooth golden skin, big blue eyes, and an ass that looked incredible in yoga pants. She had visited our house many times, and I had jerked off thinking about her more than once.
“Yeah… what about her?” I asked, already suspicious.
Anna crawled onto my bed and straddled my lap, grinding slowly against the growing bulge in my shorts. “I’ve been talking to her a lot lately. About us. About what we’ve been doing.” She leaned down and kissed my neck. “She didn’t freak out. Actually… she got really turned on. She kept asking me questions — how big you are, how you fuck me, how it feels to sleep with your own brother.”
My heart started racing. “You told her everything?”
Anna nodded, her hazel eyes sparkling with mischief. “She wants to watch. And maybe… join us. Just once. She said she’s never been so curious about anything in her life.” Anna kissed me deeply, her tongue teasing mine. “I told her I’d ask you. So… what do you think, little brother? Do you want to fuck my best friend while I watch? Or do you want both of us at the same time?”
I was speechless for a second, my cock now rock-hard under her. The idea of having both my gorgeous older sister and her hot best friend in bed was almost too much to handle.
“Fuck yes,” I finally breathed. “When?”
Anna smiled wickedly. “Tomorrow night. Mom and Dad are going to that dinner party and won’t be back until late. Jasmine is coming over at 8.”
The next day felt like the longest of my life. I was nervous and insanely horny at the same time. When 8 PM finally came, the doorbell rang. Anna answered it wearing a short silk robe that barely covered anything. Jasmine stepped inside looking stunning — tight white tank top that showed off her perky D-cup breasts, and black yoga pants that hugged every curve of her long legs and round ass. Her long blonde hair was loose, and she looked both excited and a little shy.
“Hey Alex,” Jasmine said, her cheeks flushing as she looked at me. “Anna told me… everything. I hope this isn’t too weird.”
“It’s definitely weird,” I admitted with a nervous laugh, “but in the best possible way.”
Anna locked the front door and took Jasmine’s hand, leading her toward the living room. “No parents, no interruptions. Just the three of us tonight.”
We started slow with drinks on the couch to ease the tension. Anna sat between us, her robe slipping open to reveal she was completely naked underneath. She kissed Jasmine first — soft at the beginning, then deeper, their tongues dancing. Watching my sister make out with her best friend made my cock throb painfully in my jeans.
Anna pulled back and looked at me. “Your turn, little brother. Kiss her.”
I leaned in and kissed Jasmine. Her lips were softer than I expected, and she tasted like cherry lip gloss. She moaned quietly into my mouth as my hand slid up her thigh. Anna watched us with dark, hungry eyes, one hand slipping between her own legs to slowly rub her clit.
“Take her clothes off, Alex,” Anna whispered.
I pulled Jasmine’s tank top over her head, revealing her perfect, full breasts with pink nipples already hard. I leaned down and sucked one into my mouth while Anna helped me pull down her yoga pants. Jasmine wasn’t wearing panties either. Her pussy was completely shaved, smooth and already glistening with wetness.
“God, she’s so wet already,” Anna said, sliding her fingers between Jasmine’s folds. Jasmine gasped and spread her legs wider.
Anna looked at me with pure lust. “Fuck her, little brother. I want to see your cock inside my best friend.”
I didn’t need to be told twice. I got Jasmine on her back on the big couch, spread her long legs, and rubbed the head of my thick cock up and down her slick pussy. She was dripping. With one slow push, I slid inside her.
“Fuuuuck,” Jasmine moaned loudly, her eyes rolling back. “He’s so thick, Anna… just like you said.”
I started thrusting deeper, watching my cock disappear into her tight pussy. Anna knelt beside us, kissing Jasmine passionately while playing with her nipples. Then Anna moved behind me, pressing her naked body against my back, whispering dirty things in my ear.
“Fuck her harder, Alex. Stretch my friend’s pussy. She’s been fantasizing about my little brother’s cock for weeks.”
I pounded Jasmine faster, the wet slapping sounds filling the room. Anna reached down and rubbed Jasmine’s clit while I fucked her. Jasmine came hard within minutes, her pussy clenching around my cock as she cried out.
Anna didn’t let me cum yet. She pulled me out of Jasmine and pushed me onto my back on the floor. “My turn to watch you two properly.”
Jasmine climbed on top of me and sank down onto my cock in reverse cowgirl. Anna straddled my face at the same time, lowering her soaked pussy onto my mouth. I was in heaven — licking my sister’s sweet cunt while her best friend rode my dick like she was starving for it.
The two girls started kissing each other above me, their moans mixing together. Anna ground her pussy against my tongue while Jasmine bounced faster, her ass cheeks slapping against my thighs.
“Fuck, he feels even better than I imagined,” Jasmine gasped between kisses.
Anna smiled down at me. “Cum inside her, little brother. Fill Jasmine’s pussy while I sit on your face.”
That pushed me over the edge. I groaned into Anna’s cunt and exploded deep inside Jasmine, pumping rope after rope of thick cum into her. Jasmine came again right after, her walls milking every drop out of me.
But we weren’t done.
Anna pushed Jasmine onto her back and climbed on top of her in a 69 position. While they ate each other out, I moved behind Anna and slid my still-hard cock back into my sister’s dripping pussy. I fucked Anna hard while she licked my cum out of Jasmine’s pussy. The sight was the hottest thing I had ever seen.
We switched positions multiple times that night — me fucking Jasmine doggy style while she ate Anna’s pussy, Anna riding my face while Jasmine sucked my balls, and finally both girls on their knees taking turns sucking my cock until I came all over their faces and tits.
By the time we collapsed in a sweaty, cum-covered heap on the living room floor, it was past 2 AM. Jasmine had cum at least five times, Anna even more, and I had filled both of them with my load.
Jasmine kissed me softly, then kissed Anna. “That was the hottest night of my life. Thank you for sharing your little brother with me.”
Anna smiled and looked at me with pure love and lust. “He’s mine… but I don’t mind sharing him with you sometimes.”
As Jasmine left later that night, Anna pulled me close in the hallway and whispered in my ear:
“Next time, I want you to fuck both of us at the same time… in my ass and her pussy. Think you can handle that, little brother?”
I kissed her hard, my cock already stirring again.
“Try me.”